US5305356A - Inspection device - Google Patents
Inspection device Download PDFInfo
- Publication number
- US5305356A US5305356A US07/882,847 US88284792A US5305356A US 5305356 A US5305356 A US 5305356A US 88284792 A US88284792 A US 88284792A US 5305356 A US5305356 A US 5305356A
- Authority
- US
- United States
- Prior art keywords
- boom
- inspected
- nuclear power
- video camera
- power plant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/2007—Undercarriages with or without wheels comprising means allowing pivoting adjustment
- F16M11/2014—Undercarriages with or without wheels comprising means allowing pivoting adjustment around a vertical axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/242—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by spreading of the legs
- F16M11/245—Members limiting spreading of legs, e.g. "umbrella legs"
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
- F16M11/28—Undercarriages for supports with one single telescoping pillar
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/04—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or holding steady relative to, a person, e.g. by chains, e.g. rifle butt or pistol grip supports, supports attached to the chest or head
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Definitions
- the present invention is directed to the field of inspection devices and methods.
- the present invention is directed to nuclear power plant inspection devices.
- Nuclear power plants typically contain three major components as shown in FIG. 1: a reactor which produces superheated water which is transported to one or more steam generators; the one or more steam generators which generate steam; and a power turbine, driven by the generated steam, which produces electrical power.
- Nuclear power plants may have miles of pipes and ducts which must be inspected and examined for corrosion, leakage and damage. These regions include the reactor bowl, the tube sheet, support plates and the tubing within the steam generator.
- U.S. Pat. No. 4,673,027 discloses a device for inspecting and repairing the tubes of a nuclear reactor steam generator.
- the device includes a manipulator which is insertible in the chamber and which may be locked onto the tube sheet for supporting remotely controlled and monitored inspection instruments and tools.
- the manipulator includes a support leg which is adjustable in length in an axial direction, a main arm connected to and movable relative to the support leg and an equipment carrier which is connected to the main arm.
- U.S. Pat. No. 4,653,971 discloses a device for selectively positioning a tool carried by a vehicle which moves on a perforated plate, while the device utilizes an elbow which swings a telescoping arm into position.
- U.S. Pat. No. 4,945,979 disclosed an improved robotic arm for effecting a tube plugging operation.
- the system also includes an elbow control mechanism.
- U.S. Pat. No. 4,205,939 discloses an apparatus for remotely repairing the tubes in a steam generator.
- the device includes a boom pivotally mounted on a column and a system for rotating the column and the boom therewith.
- the disclosed device further includes a tool which is operable on the tubes.
- U.S. Pat. No. 4,231,419 discloses a manipulator for inspecting and repairing the tubes of heat exchangers.
- An inspection arm is inserted and removed through a lead-in nozzle and a swivel arm carries an extendable and retractable mouthpiece carrier with a mouthpiece which can be aligned into the tube openings.
- U.S. Pat. No. 4,919,194 discloses a method of positioning a robot for inspecting and maintaining the steam generator within a nuclear plant.
- U.S. Pat. No. 4,302,772 discloses a device for television inspection of an inner surface of a closed cylindrical vessel having vertical access and an access hole in the vessel's upper part.
- the device includes a television camera and at least one flood light for lighting an area to be inspected.
- the camera is suspended from a flexible tube which is held rigid under torsion and through which pass electricity supply cables for the camera and floodlight.
- U.S. Pat. No. 4,424,531 discloses an inspection device for inspecting internal spaces in nuclear reactor installations.
- the device includes a camera arranged on an adjustable tube
- U.S. Pat. No. 4,967,092 discloses an apparatus for optically checking the inner profile of a tube.
- the apparatus includes a probe which is positioned in, and movable longitudinally within, the tube.
- U.S. Pat. No. 4,702,878 discloses a device for searching and retrieving objects on a tube sheet of a steam generator.
- the device includes a sled having a probe and a gripper which is connected to a flexible tube having control means.
- the invention comprises boom means for extending to a position to be inspected, and video camera means affixed to an end of said boom means for permitting the visual inspection of said position to be inspected.
- the invention is directed to a nuclear power plant inspection device comprising boom means for extending to a position in a nuclear power plant to be inspected, and video camera means affixed to an end of said boom means for permitting the visual inspection of said position in said nuclear power plant to be inspected.
- the present invention comprises a device for inspecting the primary bowl of a nuclear reactor.
- the invention further comprises boom means for extending into the primary bowl of a nuclear reactor, and CCD video camera means affixed to the end of said boom means for visually inspecting said primary bowl.
- the present invention is also directed to a method for inspecting portions of a nuclear power station.
- the method comprises the steps of extending a boom to a section of a power station to be inspected, said boom having a CCD camera attached thereto for permitting the visual inspection of said section to be inspected.
- the device of the present invention can be utilized to inspect the primary bowl of the reactor, the steam generator, and other difficult to reach portions of a plant.
- the present invention is designed to be hand held and manipulated. It is further expandable by means of a plurality of telescoping members and can extend up to 32 feet.
- the inspection device of the present invention utilizes a charge-coupled video camera which facilitates the inspection of selected portions of the plant.
- the inspection device includes means for maintaining the inspection device in a vertical position.
- the inspection device of the present invention may be utilized for a large number of non-nuclear related applications, including inspection of chemical plants, oil refineries, waste treatment plants and facilities, fossil fuel burning electric power generation plants and other applications.
- FIG. 1 is a representation of the components of a nuclear power plant.
- FIG. 2 is a perspective view of the hand-held inspection system of the present invention.
- FIG. 3 is a prospective view of the pan and tilt mechanism utilized with the hand-held inspection system of the present invention.
- FIG. 4 is a perspective view of the hand-held inspection system of the present invention.
- the present invention is described with reference to the enclosed Figures wherein the same numbers are utilized where applicable.
- the present invention in preferred embodiments, is directed to a device for inspecting portions of a nuclear power plant.
- the inspection device of the present invention is in no way limited to nuclear power plant inspection and may be utilized for a large number of non-nuclear related applications.
- Nonexclusive examples of potential alternative uses include the inspection of chemical plants, oil refineries, waste treatment plants, and coal and fossil fuel burning electric generation plants.
- the inspection device 10 of the present invention in a most preferred embodiment, comprises a boom means 12 for extending to a position to be inspected.
- the boom means 12 is designed to be hand held and is affixed at a distal end to video camera means 14.
- the boom means 12 comprises a plurality of telescoping members 16 which can be adjusted manually and mechanically locked to a fixed length by means of a plurality of locking means or clamps 18. In this manner, the length of the boom means 12 can be selectively adjusted.
- the boom means 12 should comprise enough telescoping members 16 to facilitate the expansion of the boom means a total length of about 32 feet. This length is sufficient to facilitate the full vertical examination of a nuclear steam generator and other difficult to reach positions of the plant.
- the device 10 of the present invention can be supported in a vertical position by means of a stand such as a tripod stand 20.
- Stand 20 permits the device to be retained in a selected position while, for example, the operator views a remote TV monitor to which the camera means is electrically interfaced so that images can be relayed to the remote TV monitor.
- the distal end of the boom means 12 has affixed thereto a video camera means 14 attached to a pan and tilt mechanism 22.
- the pan and tilt mechanism 22 comprises a box 24 with a tiltable pivoting member 26.
- the pivoting member 26 facilitates the approximate 180° vertical tilt of the video camera means 14.
- the video camera also should be able to pan 359°. In this manner, the video camera 14 can completely inspect a selected position or section of the plant.
- the video camera means 14 preferably transmits video images to a TV monitor situated at a remote location.
- the video camera will incorporate CCD ("charge-coupled device") technology.
- CCD charge-coupled device
- the advent of CCD image transducers has permitted television cameras to be fabricated in very small sizes.
- the CCD detector assembly is positioned to receive optical images from the camera lens so that it can convert the components of the received image to corresponding electrical signals.
- Electrical circuitry associated with the detectors converts the image component signals to standard video signals for use by television receiver/monitors.
- the CCD circuitry may, for example, comprise Sony Model A-7560-026A, which functions to convert optical images received from a lens assembly into electrical video signals.
- the lens assembly of the preferred embodiment may, for example, comprise Sony Model VCL08SBYA.
- a small video receiver can be interfaced along the boom means 12 or on one of the telescoping members 16 and electrically interfaced to the camera means 14 so that a video image of the inspected area can be directly viewed by the user of the inspection device as he or she is inspecting the area.
- a small video receiver is, for example, a Sony WALKMAN which is clipped or otherwise mounted to a telescoping member 16 or the boom means 12.
- the small video receiver is directly attached to the inspection device, it may not be necessary to run electrical lines back to a remote location so that another individual can view the inspected area on a remote terminal. However, it would be possible to run additional lines back to a remote area so that both the person at a remote terminal and the individual actually performing the inspecting can simultaneously view the inspected area.
- the video camera means 14 will also preferably incorporate an auto focus mechanism which, along with the pan and tilt means 24, may be controlled by a remote operator with a joy stick (not shown) at a remote location.
- both the pan and tilt mechanism 22 and autofocus may alternatively be controlled by the operator of the inspection device by means of a control box 25 with activation buttons 25a attached to the boom means 12.
- a joystick may also be provided to control box 25 for easier manipulation of the camera means and pan and tilt by the operator of the inspection device.
- the control box may include controls to electromechanically extend the boom means 12 and telescoping members 16 to the desired length.
- FIGS. 2 and 4 illustrate connecting cables 28 which facilitate the remote operation of the auto focus and pan and tilt mechanism 128.
- the cables 28 from the video camera led to the closed circuit TV monitor situated at a remote location.
- the length of the boom is initially adjusted by fixing the position of the telescoping member 16 with locking means 18 or alternatively extending the boom means with electromechanical controls.
- the boom means 12 with attached CCD video camera 14 is then extended to a position in the plant to be inspected.
- the CCD camera transmits an image via the cables 28 to a remote TV monitor, or to the video receiver attached to the boom means 12 or telescoping members 16.
- the position of the CCD camera can be changed by adjusting the pan and tilt mechanism 22 either remotely or by the activation of buttons situated on a hand control box 25 attached to the boom means 12.
- the operator 30 may utilize a headset 32 where he can be directed into an appropriate position by a remote operator viewing the TV monitor at a remote location.
- the device of the present invention can be utilized for a large number of applications in a nuclear power plant.
- the device may be utilized to inspect the primary bowl of the reactor.
- the boom containing the CCD camera is lowered into the primary bowl of the reactor via a manhole.
- the CCD video camera attached to the end thereof is then adjusted via pan and tilt mechanism 22 to inspect various portions of the reactor bowl which is to be viewed and inspected.
- the device of the present invention can also be utilized to inspect overhead piping and ductwork 34.
Abstract
Description
Claims (11)
Priority Applications (14)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07882847 US5305356B1 (en) | 1992-05-14 | 1992-05-14 | Inspection device |
BR9306358A BR9306358A (en) | 1992-05-14 | 1993-05-13 | Inspection apparatus and process for inspecting difficult to access parts of a nuclear power plant |
JP6501859A JPH07509310A (en) | 1992-05-14 | 1993-05-13 | Inspection device |
CA002135755A CA2135755A1 (en) | 1992-05-14 | 1993-05-13 | Inspection device |
EP93913872A EP0640239A1 (en) | 1992-05-14 | 1993-05-13 | Inspection device |
PCT/US1993/004561 WO1993023853A1 (en) | 1992-05-14 | 1993-05-13 | Inspection device |
AU43744/93A AU4374493A (en) | 1992-05-14 | 1993-05-13 | Inspection device |
HU9403219A HUT69804A (en) | 1992-05-14 | 1993-05-13 | Inspection device |
CZ942799A CZ279994A3 (en) | 1992-05-14 | 1993-05-13 | Checking apparatus and checking procedure |
SK1372-94A SK137294A3 (en) | 1992-05-14 | 1993-05-13 | Inspection device |
NO944312A NO944312L (en) | 1992-05-14 | 1994-11-11 | inspection apparatus |
KR1019940704061A KR950701761A (en) | 1992-05-14 | 1994-11-14 | Inspection device |
OA60582A OA09968A (en) | 1992-05-14 | 1994-11-14 | Inspection device |
BG99206A BG99206A (en) | 1992-05-14 | 1994-11-23 | Inspection device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07882847 US5305356B1 (en) | 1992-05-14 | 1992-05-14 | Inspection device |
Publications (2)
Publication Number | Publication Date |
---|---|
US5305356A true US5305356A (en) | 1994-04-19 |
US5305356B1 US5305356B1 (en) | 1998-09-01 |
Family
ID=25381461
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US07882847 Expired - Lifetime US5305356B1 (en) | 1992-05-14 | 1992-05-14 | Inspection device |
Country Status (14)
Country | Link |
---|---|
US (1) | US5305356B1 (en) |
EP (1) | EP0640239A1 (en) |
JP (1) | JPH07509310A (en) |
KR (1) | KR950701761A (en) |
AU (1) | AU4374493A (en) |
BG (1) | BG99206A (en) |
BR (1) | BR9306358A (en) |
CA (1) | CA2135755A1 (en) |
CZ (1) | CZ279994A3 (en) |
HU (1) | HUT69804A (en) |
NO (1) | NO944312L (en) |
OA (1) | OA09968A (en) |
SK (1) | SK137294A3 (en) |
WO (1) | WO1993023853A1 (en) |
Cited By (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE9415987U1 (en) * | 1994-10-05 | 1994-12-22 | Wenzel Herbert | Shielded, swiveling camera manipulator with lighting, for inspection in the core area of boiling and pressurized water reactors |
US5544206A (en) * | 1994-06-17 | 1996-08-06 | R. Brooks Associates, Inc. | Reactor head work station |
US5737377A (en) * | 1993-07-23 | 1998-04-07 | Westinghouse Electric Corporation | Nuclear reactor camera mast assembly and loading guide |
US6091453A (en) * | 1996-07-29 | 2000-07-18 | Coan; Steven | Hand held remote camera |
US6530702B2 (en) | 2000-12-02 | 2003-03-11 | Thomas H. S. Harris | Operator supported remote camera positioning and control system |
US20040179170A1 (en) * | 2003-03-11 | 2004-09-16 | Harris Thomas H.S. | Operator supported remote camera positioning and control system with longeron based beam |
US20050011929A1 (en) * | 2003-07-04 | 2005-01-20 | Compagnie Generale Des Matieres Nucleaires | Device and method for controlling the exterior aspect of fuel rods for nuclear reactors |
US6847394B1 (en) * | 1999-05-14 | 2005-01-25 | Snap-On Incorporated | Video inspection device |
US20050243173A1 (en) * | 2004-05-03 | 2005-11-03 | Bob Levine | Portable modular inspection-surveillance system |
NL1026121C2 (en) * | 2004-05-06 | 2005-11-08 | Petrus Marinus Johanne Heyboer | Apparatus for optical observation and / or investigation of more difficult places and / or to search at more difficult places with the possibility of carrying out work in those places, in particular for household use and personal care. |
US6962313B1 (en) * | 2001-11-15 | 2005-11-08 | Wintron Technologies Inc. | Camera support assembly and actuator |
US20070080280A1 (en) * | 2005-10-11 | 2007-04-12 | Havens William H | Control systems for adaptive lens |
WO2007047338A2 (en) | 2005-10-14 | 2007-04-26 | Envirosight Llc | Inspection system and method |
US20070146480A1 (en) * | 2005-12-22 | 2007-06-28 | Judge John J Jr | Apparatus and method for inspecting areas surrounding nuclear boiling water reactor core and annulus regions |
US20070156021A1 (en) * | 2005-09-14 | 2007-07-05 | Bradford Morse | Remote imaging apparatus having an adaptive lens |
US20080144186A1 (en) * | 2006-12-15 | 2008-06-19 | Chen Feng | Focus module and components with actuator polymer control |
US20080144185A1 (en) * | 2006-12-15 | 2008-06-19 | Hand Held Products, Inc. | Apparatus and method comprising deformable lens element |
US20090003822A1 (en) * | 2007-06-27 | 2009-01-01 | Frank Tyner | Hand-held photographic support system |
US20090309967A1 (en) * | 2008-06-13 | 2009-12-17 | Kim Moon S | Hand-held inspection tool and method |
US8054459B2 (en) | 1999-05-04 | 2011-11-08 | Envirosight Llc | Inspection system and method |
US20150077630A1 (en) * | 2013-09-18 | 2015-03-19 | David Chris Miller | Camera extension apparatus and method |
US20160202598A1 (en) * | 2015-01-08 | 2016-07-14 | John A. Griffey | Omniview Camera Tower System |
WO2017219050A1 (en) * | 2016-06-16 | 2017-12-21 | Cong Nhan Huynh | Finger-controlled 360° recording mobile phone rotary handheld device |
US10354138B2 (en) | 2012-06-18 | 2019-07-16 | Collineo Inc. | Remote visual inspection system and method |
US10663839B1 (en) * | 2018-03-16 | 2020-05-26 | O'Brien Engineering, Inc. | Transportable pole-mounted inspection device |
US11221544B1 (en) * | 2018-09-10 | 2022-01-11 | Brian York | Portable camera support device for elevated photography and/or videography |
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FR2722893B1 (en) * | 1994-07-22 | 1996-10-04 | Duc Alain | PORTABLE SHOOTING APPARATUS |
CN217130868U (en) * | 2021-12-07 | 2022-08-05 | 威尔派精密模具(深圳)有限公司 | Shooting equipment fixing support |
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- 1993-05-13 JP JP6501859A patent/JPH07509310A/en active Pending
- 1993-05-13 SK SK1372-94A patent/SK137294A3/en unknown
- 1993-05-13 CZ CZ942799A patent/CZ279994A3/en unknown
- 1993-05-13 BR BR9306358A patent/BR9306358A/en not_active Application Discontinuation
- 1993-05-13 HU HU9403219A patent/HUT69804A/en unknown
- 1993-05-13 CA CA002135755A patent/CA2135755A1/en not_active Abandoned
- 1993-05-13 AU AU43744/93A patent/AU4374493A/en not_active Abandoned
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US6091453A (en) * | 1996-07-29 | 2000-07-18 | Coan; Steven | Hand held remote camera |
US8054459B2 (en) | 1999-05-04 | 2011-11-08 | Envirosight Llc | Inspection system and method |
US20070252972A1 (en) * | 1999-05-04 | 2007-11-01 | Envirosight Llc | Inspection system and method |
US7480041B2 (en) | 1999-05-04 | 2009-01-20 | Envirosight Llc | Inspection system and method |
US6847394B1 (en) * | 1999-05-14 | 2005-01-25 | Snap-On Incorporated | Video inspection device |
US6530702B2 (en) | 2000-12-02 | 2003-03-11 | Thomas H. S. Harris | Operator supported remote camera positioning and control system |
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US6923542B2 (en) | 2003-03-11 | 2005-08-02 | Thomas H. S. Harris | Operator supported remote camera positioning and control system with longeron based beam |
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US7308069B2 (en) * | 2003-07-04 | 2007-12-11 | Compagnie Generale Des Matieres Nucleaires | Device and method for controlling the exterior aspect of fuel rods for nuclear reactors |
US7308068B2 (en) * | 2003-07-04 | 2007-12-11 | Compagnie Generale Des Matieres Nucleaires | Device and method for controlling the exterior aspect of fuel rods for nuclear reactors |
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US20070156021A1 (en) * | 2005-09-14 | 2007-07-05 | Bradford Morse | Remote imaging apparatus having an adaptive lens |
US8027095B2 (en) | 2005-10-11 | 2011-09-27 | Hand Held Products, Inc. | Control systems for adaptive lens |
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US7813047B2 (en) | 2006-12-15 | 2010-10-12 | Hand Held Products, Inc. | Apparatus and method comprising deformable lens element |
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Also Published As
Publication number | Publication date |
---|---|
EP0640239A4 (en) | 1995-03-08 |
CA2135755A1 (en) | 1993-11-25 |
JPH07509310A (en) | 1995-10-12 |
BG99206A (en) | 1995-10-31 |
BR9306358A (en) | 1995-05-30 |
NO944312D0 (en) | 1994-11-11 |
OA09968A (en) | 1995-12-11 |
SK137294A3 (en) | 1995-04-12 |
AU4374493A (en) | 1993-12-13 |
WO1993023853A1 (en) | 1993-11-25 |
EP0640239A1 (en) | 1995-03-01 |
CZ279994A3 (en) | 1995-03-15 |
HUT69804A (en) | 1995-09-28 |
US5305356B1 (en) | 1998-09-01 |
KR950701761A (en) | 1995-04-28 |
NO944312L (en) | 1994-11-11 |
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